Re: [Gnuplot-info] re ading stdin twice & fix xtics to nonfix time

[Thomas S. <t.s...@fz...>]

when started in batch mode ('$ gnuplot t.plt') gnuplot
expects the data to be contained in the file t.plt when
plotting from the special filename '-'.

'-' is standard input in interactive mode only.

you may switch to interactive mode after executing
all the commands in 't.plt' with '$ gnuplot t.plt -'
but switching is done after the last command is
executed completely.

you may combine commands and data before piping
them into gnuplot:

(cat t.plt t.in; echo "e"; cat t.in; echo "e") | gnuplot


FastCatch wrote:
> 
> ...
> plot 't.in' using 1:3 with boxes fs 0.75,\
>      '' using 1:2 with boxes
> unset multiplot
> 
> It works fine.  However, if I change the source in plot line to: plot '-'
> ...
> and run it 
> 
> $ gnuplot t.plt
> 
> I get an
> 
> unset multiplot
> -:1:"t.plt", line 23: illegal month
> 
> error (without ever having to actually enter anything).
> ...
> 

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